var mongoose = require('mongoose')
var Schema = mongoose.Schema
var ObjectId = Schema.Types.ObjectId

var MovieSchema= new Schema({
	doctor: String,
	title: String,
	language: String,
	country: String,
	summary: String,
	flash: String,
	poster: String,
	year: Number,
	pv: {
		type: Number,
		default: 0
	},
	category: {
		type: ObjectId,
		ref: 'Category'
	},
	meta: {
		createAt:{
			type:Date,
			default:Date.now()
		},
		updateAt:{
			type:Date,
			default:Date.now()
		}
	}
})

MovieSchema.pre('save',function(next){
	if(this.isNew){
		this.meta.createAt = this.meta.updateAt = Date.now()
	}
	else{
		this.meta.updateAt = Date.now()
	}
	
	next()
})

MovieSchema.statics = {
	fetch: function(cb){
		return this
		.find({})
		.sort('meta.updateAt')
		.exec(cb)
	},
	findById: function(id, cb){
		return this
		.findOne({_id: id})
		.exec(cb)
	}
}

module.exports = MovieSchema